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tabbarDNDObserver.js
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tabbarDNDObserver.js
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Tree Style Tab.
*
* The Initial Developer of the Original Code is YUKI "Piro" Hiroshi.
* Portions created by the Initial Developer are Copyright (C) 2010-2012
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): YUKI "Piro" Hiroshi <piro.outsider.reflex@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ******/
const EXPORTED_SYMBOLS = ['TabbarDNDObserver'];
const DEBUG = false;
const Cc = Components.classes;
const Ci = Components.interfaces;
Components.utils.import('resource://gre/modules/XPCOMUtils.jsm');
Components.utils.import('resource://gre/modules/Services.jsm');
XPCOMUtils.defineLazyModuleGetter(this, 'utils', 'resource://treestyletab-modules/utils.js', 'TreeStyleTabUtils');
const TAB_DROP_TYPE = 'application/x-moz-tabbrowser-tab';
const SSS = Cc['@mozilla.org/content/style-sheet-service;1']
.getService(Ci.nsIStyleSheetService);
const SecMan = Cc['@mozilla.org/scriptsecuritymanager;1']
.getService(Ci.nsIScriptSecurityManager);
function TabbarDNDObserver(aTabBrowser)
{
this.init(aTabBrowser);
}
TabbarDNDObserver.prototype = {
readyToStartTabbarDrag : function TabbarDND_readyToStartTabbarDrag()
{
var sheet = this.treeStyleTab.makeURIFromSpec('chrome://treestyletab/content/hide-embed.css');
if (!SSS.sheetRegistered(sheet, SSS.AGENT_SHEET))
SSS.loadAndRegisterSheet(sheet, SSS.AGENT_SHEET);
},
readyToEndTabbarDrag : function TabbarDND_readyToEndTabbarDrag()
{
var sheet = this.treeStyleTab.makeURIFromSpec('chrome://treestyletab/content/hide-embed.css');
if (SSS.sheetRegistered(sheet, SSS.AGENT_SHEET))
SSS.unregisterSheet(sheet, SSS.AGENT_SHEET);
},
canDragTabbar : function TabbarDND_canDragTabbar(aEvent)
{
var sv = this.treeStyleTab;
if (
sv.evaluateXPath(
'ancestor-or-self::*[contains(" scrollbar popup menupopup panel tooltip ", concat(" ", local-name(), " "))]',
aEvent.originalTarget,
Ci.nsIDOMXPathResult.BOOLEAN_TYPE
).booleanValue ||
sv.isToolbarCustomizing
)
return false;
var tab = sv.getTabFromEvent(aEvent);
var tabbar = sv.getTabbarFromEvent(aEvent);
var canDrag = (
(tab ? aEvent.shiftKey : tabbar ) &&
(
aEvent.shiftKey ||
sv.browser.getAttribute(sv.kFIXED) != 'true'
)
);
if (canDrag && !aEvent.shiftKey) {
let insensitiveArea = utils.getTreePref('tabbar.fixed.insensitiveArea');
let box = tabbar.boxObject;
switch (sv.position)
{
case 'right':
if (aEvent.screenX < box.screenX + insensitiveArea)
canDrag = false;
break;
case 'left':
if (aEvent.screenX > box.screenX + box.width - insensitiveArea)
canDrag = false;
break;
default:
case 'top':
if (aEvent.screenY > box.screenY + box.height - insensitiveArea)
canDrag = false;
break;
case 'bottom':
if (aEvent.screenY < box.screenY + insensitiveArea)
canDrag = false;
break;
}
}
return canDrag;
},
canDrop : function TabbarDND_canDrop(aEvent)
{
var sv = this.treeStyleTab;
var tooltip = sv.tabStrip.firstChild;
if (tooltip &&
tooltip.localName == 'tooltip' &&
tooltip.popupBoxObject.popupState != 'closed')
tooltip.hidePopup();
var dropAction = this.getDropAction(aEvent);
if ('dataTransfer' in aEvent) {
var dt = aEvent.dataTransfer;
if (dropAction.action & sv.kACTION_NEWTAB) {
dt.effectAllowed = dt.dropEffect = (
!dropAction.source ? 'link' :
sv.isCopyAction(aEvent) ? 'copy' :
'move'
);
}
}
return dropAction.canDrop;
},
canDropTab : function TabbarDND_canDropTab(aEvent)
{
try{
var sv = this.treeStyleTab;
var b = this.browser;
var session = sv.currentDragSession;
var node = session.sourceNode;
var tab = sv.getTabFromChild(node);
if (!node ||
!tab ||
tab.parentNode != b.mTabContainer)
return true;
tab = sv.getTabFromEvent(aEvent) || sv.getTabFromTabbarEvent(aEvent);
if (sv.isCollapsed(tab))
return false;
var info = this.getDropAction(aEvent, session);
return info.canDrop;
}
catch(e) {
dump('TabbarDND::canDrop\n'+e+'\n');
return false;
}
},
getDropAction : function TabbarDND_getDropAction(aEvent, aDragSession)
{
var sv = this.treeStyleTab;
var b = this.browser;
if (!aDragSession)
aDragSession = sv.currentDragSession;
var tab = aDragSession ? sv.getTabFromChild(aDragSession.sourceNode) : null ;
sv.ensureTabInitialized(tab);
var info = this.getDropActionInternal(aEvent, tab);
info.canDrop = true;
info.source = tab;
if (tab) {
var isCopy = sv.isCopyAction(aEvent);
if (isCopy && 'duplicateTab' in b) {
info.action |= sv.kACTION_DUPLICATE;
}
if (
!isCopy &&
sv.getTabBrowserFromChild(tab) != b &&
(
('duplicateTab' in b)
)
) {
info.action |= sv.kACTION_IMPORT;
}
if (info.action & sv.kACTIONS_FOR_DESTINATION) {
if (info.action & sv.kACTION_MOVE) info.action ^= sv.kACTION_MOVE;
if (info.action & sv.kACTION_STAY) info.action ^= sv.kACTION_STAY;
}
if (info.action & sv.kACTION_ATTACH) {
if (info.parent == tab) {
info.canDrop = false;
}
else {
var orig = tab;
tab = info.target;
while (tab = sv.getParentTab(tab))
{
if (tab != orig) continue;
info.canDrop = false;
break;
}
}
}
}
var isInverted = sv.isVertical ? false : b.ownerDocument.defaultView.getComputedStyle(b.parentNode, null).direction == 'rtl';
if (
info.target &&
(
info.target.hidden ||
(
sv.isCollapsed(info.target) &&
info.position != (isInverted ? sv.kDROP_BEFORE : sv.kDROP_AFTER )
)
)
)
info.canDrop = false;
return info;
},
getDropActionInternal : function TabbarDND_getDropActionInternal(aEvent, aSourceTab)
{
if (DEBUG) dump('getDropActionInternal: start\n');
var sv = this.treeStyleTab;
var b = this.browser;
var d = this.document;
var tab = sv.getTabFromEvent(aEvent) || sv.getTabFromTabbarEvent(aEvent) || aEvent.target;
var tabs = sv.getTabs(b);
var firstTab = sv.getFirstNormalTab(b) || tabs[0];
var lastTabIndex = tabs.length - 1;
var isInverted = sv.isVertical ? false : b.ownerDocument.defaultView.getComputedStyle(b.parentNode, null).direction == 'rtl';
var info = {
target : null,
position : null,
action : null,
parent : null,
insertBefore : null,
event : aEvent
};
let draggedTab = aEvent.dataTransfer && aEvent.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
if (draggedTab._dragData) {
let sameTypeUndraggedTabs = tabs.filter(function(aTab) {
return !aTab._dragData && aTab.pinned == draggedTab.pinned;
});
tab = draggedTab.pinned ?
// pinned tabs cannot be dropped to another pinned tab, so
// we can use the drop position calculated by "_animateTabMove()".
tabs[draggedTab._dragData.animDropIndex] :
// otherwise, we have to find "drop target" tab from screen coordinates.
sv.getTabFromCoordinates(aEvent, sameTypeUndraggedTabs) ||
tabs[draggedTab._dragData.animDropIndex] ;
}
var isTabMoveFromOtherWindow = aSourceTab && aSourceTab.ownerDocument != d;
var isNewTabAction = !aSourceTab || aSourceTab.ownerDocument != d;
if (!tab || tab.localName != 'tab') {
if (DEBUG) dump(' not on a tab\n');
let action = isTabMoveFromOtherWindow ? sv.kACTION_STAY : (sv.kACTION_MOVE | sv.kACTION_PART) ;
if (isNewTabAction) action |= sv.kACTION_NEWTAB;
if (aEvent[sv.screenPositionProp] < sv.getTabActualScreenPosition(firstTab)) {
if (DEBUG) dump(' above the first tab\n');
info.target = info.parent = info.insertBefore = firstTab;
info.position = isInverted ? sv.kDROP_AFTER : sv.kDROP_BEFORE ;
info.action = action;
return info;
}
else if (aEvent[sv.screenPositionProp] > sv.getTabActualScreenPosition(tabs[lastTabIndex]) + tabs[lastTabIndex].boxObject[sv.sizeProp]) {
if (DEBUG) dump(' below the last tab\n');
info.target = info.parent = tabs[lastTabIndex];
info.position = isInverted ? sv.kDROP_BEFORE : sv.kDROP_AFTER ;
info.action = action;
return info;
}
else {
let index = b.getNewIndex ?
b.getNewIndex(aEvent) :
b.tabContainer._getDropIndex(aEvent) ;
if (DEBUG) dump(' on the tab '+index+'\n');
info.target = tab = tabs[Math.min(index, lastTabIndex)];
if (DEBUG) dump(' info.target = '+info.target._tPos+'\n');
}
}
else {
if (DEBUG) dump(' on the tab '+tab._tPos+'\n');
sv.ensureTabInitialized(tab);
info.target = tab;
}
/**
* Basically, tabs should have three areas for dropping of items:
* [start][center][end], but, pinned tabs couldn't have its tree.
* So, if a tab is dragged and the target tab is pinned, then, we
* have to ignore the [center] area.
*/
var pinned = tab.getAttribute('pinned') == 'true';
var dropAreasCount = (aSourceTab && pinned) ? 2 : 3 ;
var screenPositionProp = sv.isVertical && pinned ? sv.invertedScreenPositionProp : sv.screenPositionProp ;
var sizeProp = sv.isVertical && pinned ? sv.invertedSizeProp : sv.sizeProp ;
var boxPos = sv.getTabActualScreenPosition(tab);
var boxUnit = Math.round(tab.boxObject[sizeProp] / dropAreasCount);
var eventPosition = aEvent[screenPositionProp];
// if (this.window['piro.sakura.ne.jp'].tabsDragUtils
// .canAnimateDraggedTabs(aEvent)) {
// eventPosition = Math.round(sv.getTabActualScreenPosition(draggedTab) + (tab.boxObject[sizeProp] / 2))
// }
if (eventPosition < boxPos + boxUnit) {
info.position = isInverted ? sv.kDROP_AFTER : sv.kDROP_BEFORE ;
}
else if (dropAreasCount == 2 || eventPosition > boxPos + boxUnit + boxUnit) {
info.position = isInverted ? sv.kDROP_BEFORE : sv.kDROP_AFTER ;
}
else {
info.position = sv.kDROP_ON;
}
switch (info.position)
{
case sv.kDROP_ON:
if (DEBUG) dump(' position = on the tab\n');
var visible = sv.getNextVisibleTab(tab);
info.action = sv.kACTION_STAY | sv.kACTION_ATTACH;
info.parent = tab;
info.insertBefore = utils.getTreePref('insertNewChildAt') == sv.kINSERT_FISRT ?
(sv.getFirstChildTab(tab) || visible) :
(sv.getNextSiblingTab(tab) || sv.getNextTab(sv.getLastDescendantTab(tab) || tab));
if (DEBUG && info.insertBefore) dump(' insertBefore = '+info.insertBefore._tPos+'\n');
break;
case sv.kDROP_BEFORE:
if (DEBUG) dump(' position = before the tab\n');
/*
[TARGET ] ↑detach from parent, and move
[ ]
[TARGET ] ↑attach to the parent of the target, and move
[ ]
[TARGET ] ↑attach to the parent of the target, and move
[ ]
[TARGET] ↑attach to the parent of the target (previous tab), and move
*/
var prevTab = sv.getPreviousVisibleTab(tab);
if (!prevTab) {
// allow to drop pinned tab to beside of another pinned tab
if (aSourceTab && aSourceTab.getAttribute('pinned') == 'true') {
info.action = sv.kACTION_MOVE;
info.insertBefore = tab;
}
else {
info.action = sv.kACTION_MOVE | sv.kACTION_PART;
info.insertBefore = firstTab;
}
}
else {
var prevLevel = Number(prevTab.getAttribute(sv.kNEST));
var targetNest = Number(tab.getAttribute(sv.kNEST));
info.parent = (prevLevel < targetNest) ? prevTab : sv.getParentTab(tab) ;
info.action = sv.kACTION_MOVE | (info.parent ? sv.kACTION_ATTACH : sv.kACTION_PART );
info.insertBefore = tab;
}
if (DEBUG && info.insertBefore) dump(' insertBefore = '+info.insertBefore._tPos+'\n');
break;
case sv.kDROP_AFTER:
if (DEBUG) dump(' position = after the tab\n');
/*
[TARGET ] ↓if the target has a parent, attach to it and and move
[TARGET] ↓attach to the parent of the target, and move
[ ]
[TARGET ] ↓attach to the parent of the target, and move
[ ]
[TARGET ] ↓attach to the target, and move
[ ]
*/
var nextTab = sv.getNextVisibleTab(tab);
if (!nextTab) {
info.action = sv.kACTION_MOVE | sv.kACTION_ATTACH;
info.parent = sv.getParentTab(tab);
}
else {
var targetNest = Number(tab.getAttribute(sv.kNEST));
var nextLevel = Number(nextTab.getAttribute(sv.kNEST));
info.parent = (targetNest < nextLevel) ? tab : sv.getParentTab(tab) ;
info.action = sv.kACTION_MOVE | (info.parent ? sv.kACTION_ATTACH : sv.kACTION_PART );
info.insertBefore = nextTab;
/*
[TARGET ] ↓attach dragged tab to the parent of the target as its next sibling
[DRAGGED]
*/
if (aSourceTab == nextTab) {
info.action = sv.kACTION_MOVE | sv.kACTION_ATTACH;
info.parent = sv.getParentTab(tab);
info.insertBefore = sv.getNextSiblingTab(tab) || sv.getNextTab(nextTab);
}
}
if (DEBUG && info.insertBefore) dump(' insertBefore = '+info.insertBefore._tPos+'\n');
break;
}
if (isNewTabAction) info.action |= sv.kACTION_NEWTAB;
return info;
},
performDrop : function TabbarDND_performDrop(aInfo, aDraggedTab)
{
var sv = this.treeStyleTab;
var b = this.browser;
var w = this.window;
var tabsInfo = this.getDraggedTabsInfoFromOneTab(aDraggedTab, aInfo);
if (!tabsInfo.draggedTab) return false;
var sourceWindow = aDraggedTab.ownerDocument.defaultView;
var sourceBrowser = sourceWindow.TreeStyleTabService.getTabBrowserFromChild(aDraggedTab);
var sourceService = sourceBrowser.treeStyleTab;
aDraggedTab = tabsInfo.draggedTab;
var draggedTabs = tabsInfo.draggedTabs;
var draggedRoots = sourceService.collectRootTabs(tabsInfo.draggedTabs);
var targetBrowser = b;
var tabs = sv.getTabs(targetBrowser);
var draggedWholeTree = [].concat(draggedRoots);
for (let i = 0, maxi = draggedRoots.length; i < maxi; i++)
{
let root = draggedRoots[i];
let tabs = sourceService.getDescendantTabs(root);
for (let i = 0, maxi = tabs.length; i < maxi; i++)
{
let tab = tabs[i];
if (draggedWholeTree.indexOf(tab) < 0)
draggedWholeTree.push(tab);
}
}
var selectedTabs = draggedTabs.filter(function(aTab) {
return aTab.getAttribute('multiselected') == 'true';
});
if (draggedWholeTree.length != selectedTabs.length &&
selectedTabs.length) {
draggedTabs = draggedRoots = selectedTabs;
if (aInfo.action & sv.kACTIONS_FOR_SOURCE)
sourceService.detachTabs(selectedTabs);
}
while (aInfo.insertBefore && draggedWholeTree.indexOf(aInfo.insertBefore) > -1)
{
aInfo.insertBefore = sv.getNextTab(aInfo.insertBefore);
}
if (aInfo.action & sv.kACTIONS_FOR_SOURCE) {
if (aInfo.action & sv.kACTION_PART) {
this.detachTabsOnDrop(draggedRoots);
}
else if (aInfo.action & sv.kACTION_ATTACH) {
this.attachTabsOnDrop(draggedRoots, aInfo.parent);
}
else {
return false;
}
if ( // if this move will cause no change...
sourceBrowser == targetBrowser &&
sourceService.getNextVisibleTab(draggedTabs[draggedTabs.length-1]) == aInfo.insertBefore
) {
// then, do nothing
return true;
}
}
var treeStructure = sourceService.getTreeStructureFromTabs(draggedTabs);
var newTabs = sv.moveTabsInternal(draggedTabs, {
duplicate : aInfo.action & sv.kACTION_DUPLICATE,
insertBefore : aInfo.insertBefore
});
if (newTabs.length && aInfo.action & sv.kACTION_ATTACH)
this.attachTabsOnDrop(
newTabs.filter(function(aTab, aIndex) {
return treeStructure[aIndex] == -1;
}),
aInfo.parent
);
return true;
},
getDraggedTabsInfoFromOneTab : function TabbarDND_getDraggedTabsInfoFromOneTab(aTab, aInfo)
{
aInfo = aInfo || {};
if (aInfo.draggedTabsInfo)
return aInfo.draggedTabsInfo;
var sv = this.treeStyleTab;
var sourceWindow = aTab.ownerDocument.defaultView;
var sourceBrowser = sourceWindow.TreeStyleTabService.getTabBrowserFromChild(aTab);
var sourceService = sourceBrowser.treeStyleTab;
aTab = sourceService.getTabFromChild(aTab);
if (!aTab || !aTab.parentNode) // ignore removed tabs!
return {
draggedTab : null,
draggedTabs : [],
isMultipleMove : false
};
var draggedTabs = sourceWindow['piro.sakura.ne.jp'].tabsDragUtils.getSelectedTabs(aTab || sourceBrowser || aInfo.event);
var isMultipleMove = false;
if (draggedTabs.length > 1) {
isMultipleMove = true;
}
else if (aInfo.action & sv.kACTIONS_FOR_DESTINATION) {
draggedTabs = [aTab].concat(sourceService.getDescendantTabs(aTab));
}
return {
draggedTab : aTab,
draggedTabs : draggedTabs,
isMultipleMove : isMultipleMove
};
},
attachTabsOnDrop : function TabbarDND_attachTabsOnDrop(aTabs, aParent)
{
var b = aTabs[0].ownerDocument.defaultView.TreeStyleTabService.getTabBrowserFromChild(aTabs[0]);
var sv = b.treeStyleTab;
b.movingSelectedTabs = true; // Multiple Tab Handler
for (let i = 0, maxi = aTabs.length; i < maxi; i++)
{
let tab = aTabs[i];
if (!tab.parentNode) continue; // ignore removed tabs
if (aParent)
sv.attachTabTo(tab, aParent);
else
sv.detachTab(tab);
sv.collapseExpandTab(tab, false);
}
b.movingSelectedTabs = false; // Multiple Tab Handler
},
detachTabsOnDrop : function TabbarDND_detachTabsOnDrop(aTabs)
{
var b = aTabs[0].ownerDocument.defaultView.TreeStyleTabService.getTabBrowserFromChild(aTabs[0]);
var sv = b.treeStyleTab;
b.movingSelectedTabs = true; // Multiple Tab Handler
for (let i = 0, maxi = aTabs.length; i < maxi; i++)
{
let tab = aTabs[i];
if (!tab.parentNode) continue; // ignore removed tabs
sv.detachTab(tab);
sv.collapseExpandTab(tab, false);
}
b.movingSelectedTabs = false; // Multiple Tab Handler
},
clearDropPosition : function TabbarDND_clearDropPosition(aOnFinish)
{
var sv = this.treeStyleTab;
var b = this.browser;
b.visibleTabs.forEach(function(aTab) {
if (aTab.hasAttribute(sv.kDROP_POSITION))
aTab.removeAttribute(sv.kDROP_POSITION)
// clear drop position preview on Firefox 17 and later
if (aOnFinish) {
aTab.style.transform = '';
if ('__treestyletab__opacityBeforeDragged' in aTab) {
aTab.style.opacity = aTab.__treestyletab__opacityBeforeDragged;
delete aTab.__treestyletab__opacityBeforeDragged;
}
}
});
if (aOnFinish)
this.browser.mTabContainer.removeAttribute('movingtab')
},
isDraggingAllTabs : function TabbarDND_isDraggingAllTabs(aTab, aTabs)
{
var sv = this.treeStyleTab;
var b = this.browser;
var actionInfo = {
action : sv.kACTIONS_FOR_DESTINATION | sv.kACTION_IMPORT
};
var tabsInfo = this.getDraggedTabsInfoFromOneTab(aTab, actionInfo);
return tabsInfo.draggedTabs.length == (aTabs || sv.getAllTabs(b)).length;
},
isDraggingAllCurrentTabs : function TabbarDND_isDraggingAllCurrentTabs(aTab)
{
return this.isDraggingAllTabs(aTab, this.treeStyleTab.getTabs(this.treeStyleTab.browser));
},
handleEvent : function TabbarDND_handleEvent(aEvent)
{
// ignore drag and drop while toolbar customization
if (this.treeStyleTab.isToolbarCustomizing)
return;
switch (aEvent.type)
{
case 'dragstart': return this.onDragStart(aEvent);
case 'dragenter': return this.onDragEnter(aEvent);
case 'dragleave': return this.onDragLeave(aEvent);
case 'dragend': return this.onDragEnd(aEvent);
case 'dragover': return this.onDragOver(aEvent);
case 'drop': return this.onDrop(aEvent);
}
},
onDragStart : function TabbarDND_onDragStart(aEvent)
{
if (this.canDragTabbar(aEvent))
return this.onTabbarDragStart(aEvent);
var tab = this.treeStyleTab.getTabFromEvent(aEvent);
if (tab)
return this.onTabDragStart(aEvent, tab);
},
onTabDragStart : function TabbarDND_onTabDragStart(aEvent, aTab)
{
var sv = this.treeStyleTab;
var w = this.window;
var actionInfo = {
action : sv.kACTIONS_FOR_DESTINATION | sv.kACTION_MOVE,
event : aEvent
};
var tabsInfo = this.getDraggedTabsInfoFromOneTab(aTab, actionInfo);
if (
tabsInfo.draggedTabs.length <= 1 ||
Array.some(tabsInfo.draggedTabs, function(aTab) {
return aTab.getAttribute('multiselected') == 'true'; // if multiselected, it should be handled by other addons (like Multiple Tab Handler)
})
)
return;
w['piro.sakura.ne.jp'].tabsDragUtils.startTabsDrag(aEvent, tabsInfo.draggedTabs);
},
onTabbarDragStart : function TabbarDND_onTabbarDragStart(aEvent)
{
var sv = this.treeStyleTab;
var dt = aEvent.dataTransfer;
dt.mozSetDataAt(
sv.kDRAG_TYPE_TABBAR,
aEvent.shiftKey ?
sv.kTABBAR_MOVE_FORCE :
sv.kTABBAR_MOVE_NORMAL,
0
);
dt.mozCursor = 'move';
// var tabbar = sv.browser.mTabContainer;
// var box = tabbar.boxObject;
// dt.setDragImage(
// tabbar,
// aEvent.screenX - box.screenX,
// aEvent.screenY - box.screenY
// );
// no feedback image, because it's annoying...
dt.setDragImage(new this.window.Image(), 0, 0);
aEvent.stopPropagation();
this.readyToStartTabbarDrag();
},
onDragEnter : function TabbarDND_onDragEnter(aEvent)
{
var sv = this.treeStyleTab;
var w = this.window;
var dt = aEvent.dataTransfer;
if (!this.canDrop(aEvent)) {
dt.effectAllowed = dt.dropEffect = 'none';
return;
}
var tab = aEvent.target;
if (tab.localName != 'tab' ||
!utils.getTreePref('autoExpand.enabled'))
return;
w.clearTimeout(this.mAutoExpandTimer);
w.clearTimeout(this.mAutoExpandTimerNext);
var sourceNode = dt.getData(sv.kDRAG_TYPE_TABBAR+'-node');
if (aEvent.target == sourceNode)
return;
var draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
this.mAutoExpandTimerNext = w.setTimeout(function(aSelf, aTarget, aDragged) {
aSelf.mAutoExpandTimerNext = null;
aSelf.mAutoExpandTimer = w.setTimeout(
function() {
let tab = sv.getTabById(aTarget);
if (tab &&
sv.shouldTabAutoExpanded(tab) &&
tab.getAttribute(sv.kDROP_POSITION) == 'self') {
let draggedTab = aDragged && sv.getTabById(aDragged);
if (utils.getTreePref('autoExpand.intelligently')) {
sv.collapseExpandTreesIntelligentlyFor(tab);
if (draggedTab)
aSelf.updateDragData(draggedTab);
}
else {
if (aSelf.mAutoExpandedTabs.indexOf(aTarget) < 0)
aSelf.mAutoExpandedTabs.push(aTarget);
sv.collapseExpandSubtree(tab, false);
if (draggedTab)
aSelf.updateDragData(draggedTab);
}
}
},
utils.getTreePref('autoExpand.delay')
);
}, 0, this, tab.getAttribute(sv.kID), draggedTab && draggedTab.getAttribute(sv.kID));
tab = null;
},
updateDragData : function TabbarDND_updateDragData(aTab)
{
if (!aTab || !aTab._dragData) return;
var sv = this.treeStyleTab;
var data = aTab._dragData;
var offsetX = sv.getXOffsetOfTab(aTab);
var offsetY = sv.getYOffsetOfTab(aTab);
if ('offsetX' in data) data.offsetX += offsetX;
if ('screenX' in data) data.screenX += offsetX;
if ('offsetY' in data) data.offsetY += offsetY;
if ('screenY' in data) data.screenY += offsetY;
},
onDragLeave : function TabbarDND_onDragLeave(aEvent)
{
this.clearDropPosition();
this.window.clearTimeout(this.mAutoExpandTimer);
this.mAutoExpandTimer = null;
},
onDragEnd : function TabbarDND_onDragEnd(aEvent)
{
var sv = this.treeStyleTab;
var dt = aEvent.dataTransfer;
if (dt.getData(sv.kDRAG_TYPE_TABBAR))
this.onTabbarDragEnd(aEvent);
else
this.onTabDragEnd(aEvent);
},
onTabDragEnd : function TabbarDND_onTabDragEnd(aEvent)
{
var sv = this.treeStyleTab;
var b = this.browser;
var d = this.document;
var w = this.window;
var tabbar = b.mTabContainer;
var strip = sv.tabStrip;
var dt = aEvent.dataTransfer;
this.clearDropPosition(true);
this.collapseAutoExpandedTabs();
if (dt.mozUserCancelled || dt.dropEffect != 'none')
return;
// prevent handling of this event by the default handler
aEvent.stopPropagation();
aEvent.preventDefault();
var eX = aEvent.screenX;
var eY = aEvent.screenY;
var x, y, w, h;
// ignore drop on the toolbox
x = w.screenX;
y = w.screenY;
w = w.outerWidth;
h = d.getElementById('navigator-toolbox').boxObject.height;
if (eX > x && eX < x + w && eY > y && eY < y + h)
return;
// ignore drop near the tab bar
var box = strip.boxObject;
var ignoreArea = Math.max(16, parseInt(sv.getFirstNormalTab(b).boxObject.height / 2));
x = box.screenX - (sv.isVertical ? ignoreArea : 0 );
y = box.screenY - ignoreArea;
w = box.width + (sv.isVertical ? ignoreArea + ignoreArea : 0 );
h = box.height + ignoreArea + ignoreArea;
if (eX > x && eX < x + w && eY > y && eY < y + h)
return;
var draggedTab = dt.mozGetDataAt(TAB_DROP_TYPE, 0);
if (this.isDraggingAllCurrentTabs(draggedTab))
return;
if (aEvent.ctrlKey || aEvent.metaKey)
draggedTab.__treestyletab__toBeDuplicated = true;
b.replaceTabWithWindow(draggedTab);
},
onTabbarDragEnd : function TabbarDND_onTabbarDragEnd(aEvent)
{
var w = this.window;
w.setTimeout(function(aSelf) {
aSelf.readyToEndTabbarDrag();
aSelf.treeStyleTab.removeTabbrowserAttribute(aSelf.treeStyleTab.kDROP_POSITION);
}, 10, this);
aEvent.stopPropagation();
aEvent.preventDefault();
},
onDragOver : function TabbarDND_onDragOver(aEvent)
{
if (this.onTabDragOver(aEvent)) {
aEvent.stopPropagation();
aEvent.preventDefault(); // this is required to override default dragover actions!
}
},
onTabDragOver : function TabbarDND_onTabDragOver(aEvent)
{
try{
var sv = this.treeStyleTab;
var b = this.browser;
var tabbar = b.mTabContainer;
var session = sv.currentDragSession;
if (sv.isToolbarCustomizing)
return false;
sv.autoScroll.processAutoScroll(aEvent);
let draggedTab = aEvent.dataTransfer && aEvent.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
let dragOverTab = sv.getTabFromEvent(aEvent) || sv.getTabFromTabbarEvent(aEvent) || aEvent.target;
b.ownerDocument.defaultView['piro.sakura.ne.jp'].tabsDragUtils
.processTabsDragging(aEvent, {
canDropOnSelf : !dragOverTab || !dragOverTab.pinned,
isVertical : (
b.ownerDocument.defaultView['piro.sakura.ne.jp'].tabsDragUtils.isVertical(b.tabContainer) &&
(
!draggedTab.pinned ||
!utils.getTreePref('pinnedTab.faviconized')
)
)
});
/**
* We must calculate drop action after tabsDragUtils.processTabsDragging(),
* because the drop position depends on tabs' actual
* positions (which can be changed by animation effects.)
*/
var info = this.getDropAction(aEvent, session);
var observer = b;
if (b.tabContainer && b.tabContainer._setEffectAllowedForDataTransfer)
observer = b.tabContainer;
// auto-switch for staying on tabs
if (
info.position == sv.kDROP_ON &&
info.target &&
!info.target.selected &&
'_dragTime' in observer && '_dragOverDelay' in observer
) {
let time = observer.mDragTime || observer._dragTime || 0;
let delay = observer.mDragOverDelay || observer._dragOverDelay || 0;
let effects = observer._setEffectAllowedForDataTransfer(aEvent);
if (effects == 'link') {
let now = Date.now();
if (!time) {
time = now;
if ('mDragTime' in observer)
observer.mDragTime = time;
else
observer._dragTime = time;
}
if (now >= time + delay)
b.selectedTab = info.target;
}
}
if (
!info.canDrop ||
observer._setEffectAllowedForDataTransfer(aEvent) == 'none'
) {
aEvent.dataTransfer.effectAllowed = "none";
this.clearDropPosition();
return true;
}
let indicatorTab = info.target;
if (sv.isCollapsed(info.target)) {
let tab = indicatorTab;
while ((tab = sv.getPreviousTab(tab)) && sv.isCollapsed(tab)) {}
if (tab) indicatorTab = tab;
}
let dropPosition = info.position == sv.kDROP_BEFORE ? 'before' :
info.position == sv.kDROP_AFTER ? 'after' :
'self';
if (indicatorTab != draggedTab &&
indicatorTab.getAttribute(sv.kDROP_POSITION) != dropPosition) {
this.clearDropPosition();
indicatorTab.setAttribute(sv.kDROP_POSITION, dropPosition);
if (b.ownerDocument.defaultView['piro.sakura.ne.jp'].tabsDragUtils
.canAnimateDraggedTabs(aEvent)) { // Firefox 17 and later
let newOpacity = dropPosition == 'self' ? 0.5 : '' ; // to prevent the dragged tab hides the drop target itself
this.window['piro.sakura.ne.jp'].tabsDragUtils.getDraggedTabs(aEvent).forEach(function(aTab) {
if (!('__treestyletab__opacityBeforeDragged' in aTab))
aTab.__treestyletab__opacityBeforeDragged = aTab.style.opacity || '';
aTab.style.opacity = newOpacity;
});
}
}
var indicator = b.mTabDropIndicatorBar || b.tabContainer._tabDropIndicator;
indicator.setAttribute('dragging', (info.position == sv.kDROP_ON || sv.isVertical) ? 'false' : 'true' );
if (sv.isVertical)
indicator.collapsed = true;
return (info.position == sv.kDROP_ON || sv.position != 'top')
}
catch(e) {
dump('TabbarDND::onDragOver\n'+e+'\n');
}
},
onDrop : function TabbarDND_onDrop(aEvent)
{
this.onTabDrop(aEvent);
this.collapseAutoExpandedTabs();
},
collapseAutoExpandedTabs : function TabbarDND_collapseAutoExpandedTabs()
{
var sv = this.treeStyleTab;
if (this.mAutoExpandedTabs.length) {
if (utils.getTreePref('autoExpand.collapseFinally')) {
for (let i = 0, maxi = this.mAutoExpandedTabs.length; i < maxi; i++)
{
sv.collapseExpandSubtree(sv.getTabById(this.mAutoExpandedTabs[i]), true, true);
}
}
this.mAutoExpandedTabs = [];
}
},
onTabDrop : function TSTService_onTabDrop(aEvent)
{
var sv = this.treeStyleTab;
var b = this.browser;
var w = this.window;
var tabbar = b.mTabContainer;
var dt = aEvent.dataTransfer;